L-1011 Procedure: Preflight Check - Hydraulic and Electrical Panel

From Lockheed L-1011 Flight Training Manual

Hydraulic Panel 

• Hydraulic Fluid level - minimum 3/4 full. 
• The suction shutoff flow bars illuminated and the engine driven PUMP S/O flow bars illuminated. 
• The only amber lights that should be illuminated are the four engine driven PUMP OUTPUT LO PR lights. 
• Start B3 and C3 electric pumps and PTU's to charge the hydraulic pump accumulators. After that, place the pumps back to off. 

Electrical Panel

• If external power is available, it should be used. If not, use the APU
• IDG temp and power meter should reflect ambient or residual temperature and zero load. 
• With APU power, the only flow bars illuminated will be the APU generator field and generator breaker, and the three (3) bus tie breakers. 
• The only amber lights illuminated will be the three (3) engine driven IDG Disconnect LOW PRESS switches and the Open lights for each generator field and breaker. All other lights will be extinguished. 
• The Essential Power source selector should be in the NORM B3-(G1) position. 
• The Battery Switch is to ON 
• With the DC Meter selector, check all DC sources. Indications will be bus voltage and respective T/R amperage. All amperages should be equal. Battery should be pulse charging. Return selector to the essential transformer rectifier (ESS) position after checks. 
• Place the AC selector to the engine to be started.